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Ratios that fit cosines 2/7, 3/7, 6/7:
A2, 3, 7
B3, 2, 6
C4, 6, 12
D1, 3, 6
Answer & Solution
Correct answer: C. 4, 6, 12
4, 6, 12 is twice the set 2, 3, 6 and so is proportional to the cosines.
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